1 /* 2 * Copyright 2017 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #import <Foundation/Foundation.h> 12 13 #import "RTCMacros.h" 14 #import "RTCVideoFrame.h" 15 #import "RTCVideoRenderer.h" 16 17 NS_ASSUME_NONNULL_BEGIN 18 19 /** 20 * RTCMTLVideoView is thin wrapper around MTKView. 21 * 22 * It has id<RTCVideoRenderer> property that renders video frames in the view's 23 * bounds using Metal. 24 * NOTE: always check if metal is available on the running device via 25 * RTC_SUPPORTS_METAL macro before initializing this class. 26 */ 27 NS_CLASS_AVAILABLE_IOS(9) 28 29 RTC_OBJC_EXPORT 30 @interface RTC_OBJC_TYPE (RTCMTLVideoView) : UIView<RTC_OBJC_TYPE(RTCVideoRenderer)> 31 32 @property(nonatomic, weak) id<RTC_OBJC_TYPE(RTCVideoViewDelegate)> delegate; 33 34 @property(nonatomic) UIViewContentMode videoContentMode; 35 36 /** @abstract Enables/disables rendering. 37 */ 38 @property(nonatomic, getter=isEnabled) BOOL enabled; 39 40 /** @abstract Wrapped RTCVideoRotation, or nil. 41 */ 42 @property(nonatomic, nullable) NSValue* rotationOverride; 43 44 @end 45 46 NS_ASSUME_NONNULL_END 47